Larry Niven's Universe

From Author Wars - https://authorwars.com/books/larry-nivens-universe-2476428.html

Overview:

Title: Larry Niven's Universe
Author: Larry Niven
Year: Unknown
Type: Omnibuses

Editions/Publications:

Unknown. Larry Niven's Universe (Unknown, Larry Niven, Ballantine Books, $6.50, 188, 254, 285, 342 pages, Paperback, Omnibus)